Has been retained as consultant by all Federal investigative
agencies including C.I.A., F.B.I., Customs, D.E.A., A.T.F., Homeland Security, I.R.S., U.S. State Department, U.S. Senate, Special Committee on Investigations,
as well as the intelligence community. Currently holds TOP SECRET clearance.

1968-1974 Consultant with all three major broadcasting
networks and 25 news gathering agencies and studios designing, constructing
and maintaining sophisticated electronic processing equipment

COURT-RELATED EXPERIENCE: Court-qualified
expert in the areas of audio and video tapes, enhancement, authentication,
transcription and all areas relating to electronic tape recorded evidence

Has participated in over 1,750 trials in 27 Federal districts and in
Canada, and has been Court-qualified on 170 occasions